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    Re: SNO sextants
    From: Joel Jacobs
    Date: 2004 Nov 11, 23:50 +0000
    As I understand it, and I can't provide a citation for verification, the SNO-T (SNO-T) was/is made for the Russian Navy. The SNO-M (SNO-M) was/is made for the Merchant Marine. If you compare your sextant to the SNO-M,  the quality differences become apparent in favor of the SNO-T.
    Joel H. Jacobs
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    -------------- Original message from Alexandre Eremenko <eremenko{at}MATH.PURDUE.EDU>: --------------

    > I don't know what M stands for.
    > Maybe I would guess if I could see its official
    > manual in Russian.
    > It was non-trivial to guess from my manual
    > what T stands for, and I am not 100% sure but only 98.5%
    > sure:-)
    > (A wild guess based on my knowledge of Soviet abbreviations
    > would be that M could stand for "modified". This would
    > be a very typical Soviet usage.
    > They had SN first, then added illumination and called
    > it SNO, then added something else and called SNO-M.
    > But this is only a guess. I have seen an SN sextant but
    > never an SNO sextant. There was also an SP sextant,
    > and an SN-U sextant which look undistinguisheable from
    > SNO-M:-)
    > > But the difference between SNO-T and SNO-M
    > is large. SNO-M looks like a 1940-s model of C. Plath,
    > while SNO-T looks like a Freiberger.
    > Maybe all this was done intentionally "to confuse the enemy"
    > :-)
    > On Thu, 11 Nov 2004, Courtney Thomas wrote:
    > > What's the difference between SNO-T and SNO-M ?
    > > If the T stands for Tropical, what does the M stand for, Marine ?
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